gstreamer/subprojects/gst-plugins-bad/sys/aja/meson.build

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aja_option = get_option('aja') \
.require(host_system == 'linux',
error_message: 'AJA plugin is currently only available on Linux')
if aja_option.disabled()
subdir_done()
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endif
common_flags = []
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thread_dep = dependency('threads')
rt_dep = cxx.find_library('rt', required : false)
dl_dep = cxx.find_library('dl', required : false)
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ajantv2_args = [
'-DAJALinux',
'-DAJASTATIC',
'-DAJA_LINUX',
'-DAJA_USE_CPLUSPLUS11',
'-DNDEBUG',
'-DNTV2_USE_CPLUSPLUS11',
]
aja_include_dir = get_option('aja-include-dir')
aja_lib_dir = get_option('aja-lib-dir')
# Try to automatically find the AJA NTV2 SDK and otherwise fall back to the subproject
found_ajantv2 = false
found_ajantv2_includes = false
if aja_include_dir != ''
aja_include_dirs = [aja_include_dir]
elif not meson.is_cross_build()
aja_include_dirs = ['/usr/include', '/usr/local/include']
else
message('Cross-compiling: cannot autodetect AJA, please set the options "aja-include-dir" and "aja-lib-dir"')
aja_include_dirs = []
endif
foreach dir : aja_include_dirs
message(f'Checking for AJA NTV2 headers in @dir@')
fs = import('fs')
dir = f'@dir@/libajantv2'
if not fs.is_dir(dir)
continue
endif
include_dir = include_directories([
f'@dir@',
f'@dir@/ajaanc/includes',
f'@dir@/ajantv2/includes',
f'@dir@/ajantv2/src/lin',
],
is_system : true)
if cxx.check_header('ajantv2/includes/ntv2card.h',
args : ajantv2_args,
include_directories : include_dir)
ajantv2_include_dir = include_dir
found_ajantv2_includes = true
break
endif
endforeach
# If provided explicitly then consider it an error to not find the headers
if aja_include_dir != '' and not found_ajantv2_includes
error(f'Did not found AJA NTV2 headers in @aja_include_dir@')
endif
# If we found the includes, now check for the library
if found_ajantv2_includes
if aja_lib_dir == ''
ajantv2_lib = cxx.find_library('ajantv2',
# If the header is found, this should also be
required : false)
else
ajantv2_lib = cxx.find_library('ajantv2',
dirs : [aja_lib_dir],
required : true)
endif
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if ajantv2_lib.found()
found_ajantv2 = true
libajantv2_dep = declare_dependency(
compile_args : ajantv2_args,
dependencies: ajantv2_lib,
include_directories: ajantv2_include_dir)
endif
endif
# If the includes or the library or not found, fall back to the subproject
if not found_ajantv2
libajantv2_dep = dependency('libajantv2',
include_type: 'system',
required: aja_option,
allow_fallback: true,
default_options: ['warning_level=0'])
if not libajantv2_dep.found()
subdir_done()
endif
endif
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gstaja = library('gstaja',
['plugin.cpp',
'gstajacommon.cpp',
'gstajasink.cpp',
'gstajasinkcombiner.cpp',
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'gstajasrc.cpp',
'gstajasrcdemux.cpp',
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'gstajadeviceprovider.cpp',
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],
override_options : ['cpp_std=c++11'],
cpp_args : gst_plugins_bad_args + common_flags,
include_directories : [configinc],
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link_args : noseh_link_args,
dependencies : [gstvideo_dep, gstaudio_dep, gstbase_dep, gst_dep, libajantv2_dep, thread_dep, rt_dep, dl_dep],
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install : true,
install_dir : plugins_install_dir,
)
plugins += [gstaja]